JPS51142852A - Empty chamber for protection of a valve,etc.laid-down for a gas pipe - Google Patents

Empty chamber for protection of a valve,etc.laid-down for a gas pipe

Info

Publication number
JPS51142852A
JPS51142852A JP50066888A JP6688875A JPS51142852A JP S51142852 A JPS51142852 A JP S51142852A JP 50066888 A JP50066888 A JP 50066888A JP 6688875 A JP6688875 A JP 6688875A JP S51142852 A JPS51142852 A JP S51142852A
Authority
JP
Japan
Prior art keywords
laid
valve
protection
gas pipe
empty chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP50066888A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5441249B2 (enExample
Inventor
Kazuo Norizuki
Shigeru Sugioka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Tec Corp
Original Assignee
Asahi Malleable Iron Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Malleable Iron Co Ltd filed Critical Asahi Malleable Iron Co Ltd
Priority to JP50066888A priority Critical patent/JPS51142852A/ja
Publication of JPS51142852A publication Critical patent/JPS51142852A/ja
Publication of JPS5441249B2 publication Critical patent/JPS5441249B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
JP50066888A 1975-06-03 1975-06-03 Empty chamber for protection of a valve,etc.laid-down for a gas pipe Granted JPS51142852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50066888A JPS51142852A (en) 1975-06-03 1975-06-03 Empty chamber for protection of a valve,etc.laid-down for a gas pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50066888A JPS51142852A (en) 1975-06-03 1975-06-03 Empty chamber for protection of a valve,etc.laid-down for a gas pipe

Publications (2)

Publication Number Publication Date
JPS51142852A true JPS51142852A (en) 1976-12-08
JPS5441249B2 JPS5441249B2 (enExample) 1979-12-07

Family

ID=13328883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50066888A Granted JPS51142852A (en) 1975-06-03 1975-06-03 Empty chamber for protection of a valve,etc.laid-down for a gas pipe

Country Status (1)

Country Link
JP (1) JPS51142852A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100413001B1 (ko) * 2001-11-07 2003-12-31 주식회사 준별에프알피산업 복합구조재료을 이용한 밸브실 시공공법 및 그 밸브실 구조

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100413001B1 (ko) * 2001-11-07 2003-12-31 주식회사 준별에프알피산업 복합구조재료을 이용한 밸브실 시공공법 및 그 밸브실 구조

Also Published As

Publication number Publication date
JPS5441249B2 (enExample) 1979-12-07

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